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All Product Types > INDUSTRIAL MOTION PRODUCTS > Couplings & Power Transmission Parts Catalog > Motion Control Couplings > Mini Soft Style Couplings (MSF Series) > MSF Series - Mini Soft Set Screw Style Coupling Hubs - Metric Bores > Part Number 68514458053  
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Part Number 68514458053, MSF Series - Mini Soft Set Screw Style Coupling Hubs - Metric Bores


    The Lovejoy Mini Soft coupling provides protection from misalignment, vibration and shock loads. The simple design of the coupling ensures ease of assembly, installation and reliable performance. No special tools are needed for installation or removal. No lubrication is needed, and once installed and aligned correctly, no maintenance is required.

    The Mini Soft coupling design is comprised of three parts. Two hubs with internal teeth engage an elastomeric flexible center, or sleeve, with external teeth. Misalignment and torsional shock loads are absorbed by shear deflection in the center sleeve element.

    The shear characteristic of the coupling is very well suited to absorb impact. The Lovejoy Mini Soft coupling is designed with tooth contact which provides more surfaces carrying the load resulting in less wear at any one point, and torque that flows more smoothly. Additionally, the coupling allows for axial freedom which results in easier assembly and spacing of shafts. This feature is particularly useful in reducing thrust loads on bearings.

    When operating within its rating, the coupling is torsionally stiff and will not react with twist during operation. The Polyurethane center member sleeve is known for its toughness and resistance to abrasion, and also provides for good damping and shock load capabilities. The MSF coupling consists of two hubs and one center member.




Unit of Measure: Imperial Metric Both

Specifications  · Dimensional Data  · Performance Data  · Features  · Notes

Specifications

Description 
MSF20-HUB-6MM-NKW

Type
Mini Soft, Three Piece Design w/ Sleeve Insert

Coupling Size
MSF20

Material
Zinc Alloy

Style
Set Screw

Color
Black

Weight
0.05 oz

Weight (Complete Coupling w/ Min. Bores)
1.50 oz
43.00 g


Dimensional Data

Bore Size
6.00 mm

Set Screw Size
M3

Keyway Size
No Keyway

Length thru Bore
0.394 in
10.00 mm

Overall Coupling Length
1.339 in
34.00 mm

Outside Diameter
0.787 in
20.00 mm

Min. Bore (Dimensions ID1/ID2)
0.197 in
5.00 mm

Max. Bore (Dimensions ID1/ID2)
0.394 in
10.00 mm

Cubic inches
0.82934 in³


Performance Data

Normal Temperature Range
140.00 ºF

Nominal Torque
8.90 in·lb

Max Speed
1900.00 rpm

Angular Misalignment
2.00 º

Parallel Misalignment
0.010 in

Torsional Stiffness
80.00 in·lb/rad

Moment of Inertia
0.0100 lb·in²


Features

Features 
  • Easy blind assembly
  • Good shock load absorption
  • Good abrasion resistance
  • Zinc alloy hubs
  • Polyurethane insert


Notes

Notes 
  • Nominal torque, torsional stiffness, weight and moment of inertia are based on minimum bore size.


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